Basis Of Presentation And Significant Accounting Policies - Dreamcatcher (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Variable Interest Entity [Line Items]
Property, plant and equipment, net		$ 433,622	$ 523,920
Broadcast rights		144,998	153,457
Other intangible assets, net		1,735,938	1,819,134
Other assets		78,541	80,098
Total Assets (1)	[1]	8,045,275	9,401,051
Debt due within one year		17,878	19,924
Contracts payable for broadcast rights		207,895	241,255
Long-term debt		3,010,784	3,391,627
Other liabilities		79,833	62,700
Total Liabilities (1)	[1]	5,122,195	5,855,368
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total Assets (1)		92,000	97,000
Total Liabilities (1)		2,000	3,000
Dreamcatcher | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Property, plant and equipment, net		45	91
Broadcast rights		792	2,634
Other intangible assets, net		77,178	82,442
Other assets		176	134
Total Assets (1)		78,191	85,301
Debt due within one year		4,010	4,003
Contracts payable for broadcast rights		940	2,758
Long-term debt		8,760	10,767
Other liabilities		49	85
Total Liabilities (1)		$ 13,759	$ 17,613

[1] (1) The Company’s consolidated total assets as of June 30, 2017 and December 31, 2016 include total assets of variable interest entities (“VIEs”) of $92 million and $97 million, respectively, which can only be used to settle the obligations of the VIEs. The Company’s consolidated total liabilities as of June 30, 2017 and December 31, 2016 include total liabilities of the VIEs of $2 million and $3 million, respectively, for which the creditors of the VIEs have no recourse to the Company (see Note 1).